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Diesel Engine Parts

HD Parts QST30 Full Engine Gasket Kit 3804938 3804718 3804719 | Cummins Compatible Overhaul Set

MOQ: 1pcs Price: Negotiable
Part No.
3804938, 3804718, 3804719
Engine Model
Cummins QST30
Material
Multi-Layer Steel (MLS), Nitrile Rubber (NBR), Silicone, Fiber
Warranty
12 Months
Place of Origin
China
Brand
HD Parts
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Product Details

Hdparts Qst30 Full Diesel Engine Gasket Kit 3804938 3804718 3804719 For Engine Repair Parts Set

Product Overview

Upgrade your heavy-duty engine overhaul with the HD Parts QST30 Full Engine Gasket Kit. This comprehensive set, featuring OEM cross-reference numbers 3804938, 3804718, and 3804719, is specifically designed for the high-performance Cummins QST30 diesel engine platform. Sourced from precision manufacturing facilities, this kit ensures a perfect seal and reliable performance for mining, marine, power generation, and industrial applications.

We provide global shipping solutions, serving major industrial markets including North America, Europe, the Middle East, Southeast Asia, and Australia. Our logistics network guarantees fast delivery to major ports and industrial hubs, minimizing your equipment downtime.

Key Features & Benefits

  • Comprehensive Coverage: Includes all necessary gaskets and seals for a complete top-end and bottom-end engine overhaul, eliminating the need to source individual parts.
  • Premium Material Composition: Manufactured using high-grade rubber, silicone, and multi-layer steel (MLS) materials to withstand extreme temperatures and pressures.
  • Precision Engineering: Each gasket is die-cut to exact OEM specifications for a perfect fit, ensuring zero leaks and optimal compression.
  • Enhanced Durability: Designed to resist oil, coolant, and fuel degradation, providing a long service life comparable to original equipment.
  • Cost-Effective Solution: Offers significant savings compared to purchasing individual OEM gaskets, making it the ideal choice for fleet maintenance and rebuild shops.

Technical Specifications

Specification Detail
Part Number 3804938, 3804718, 3804719
Product Name Full Engine Gasket Kit
Engine Model Cummins QST30
Kit Type Complete Overhaul / Full Set
Material Multi-Layer Steel (MLS), Nitrile Rubber (NBR), Silicone, Fiber
Place of Origin China
Brand HD Parts
Warranty 12 Months

OEM Cross-Reference

This gasket kit directly replaces the following OEM part numbers. Please verify your engine’s specific configuration.

  • Cummins OEM: 3804938, 3804718, 3804719
  • Alternative/Interchange: 3804720 (if applicable for variant kits)

Compatibility

  • Primary Engine: Cummins QST30
  • Applications: Heavy-Duty Trucks, Mining Dump Trucks (e.g., Komatsu, Caterpillar), Generator Sets, Marine Propulsion, Oil & Gas Drilling Rigs, Industrial Pumps.
  • Year Range: Compatible with most QST30 engine models produced from the early 2000s to current production.

Global Supply & Distribution

We offer a robust global supply chain designed to meet the urgent needs of B2B clients worldwide.

  • Worldwide Shipping: We ship via air freight (DHL, FedEx, UPS) and sea freight (FCL/LCL) to any destination.
  • Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Indonesia, Singapore), and South America (Chile, Brazil).
  • Fast Delivery: Stock items are dispatched within 24-48 hours. Bulk orders to major ports (like Rotterdam, Shanghai, Houston, Jebel Ali) typically arrive within 15-30 days.
  • Trade Compliance: We have extensive experience with international export documentation, customs clearance, and trade regulations.

Quality Assurance

  • Manufacturing Standards: Produced in ISO 9001:2015 certified facilities, ensuring strict quality control from raw material to finished product.
  • Testing: Each batch undergoes dimensional inspection, material hardness testing, and pressure leak testing to guarantee performance.
  • Warranty: We provide a 12-month warranty against manufacturing defects. Replacement or refund is offered for any defective parts.

FAQ

Q1: Is this gasket kit a direct replacement for the OEM Cummins 3804938 part number?

Yes, this HD Parts kit is designed to be a direct replacement for the OEM Cummins gasket kit 3804938, as well as 3804718 and 3804719. The dimensions and materials are engineered to match the original specifications precisely.

Q2: Does this kit include the head gaskets and valve stem seals for a complete QST30 overhaul?

Yes, this is a full engine gasket kit. It typically includes all the upper and lower gaskets and seals required for a complete engine rebuild, including cylinder head gaskets, valve stem seals, oil pan gasket, front and rear main seals, and all necessary O-rings. Please check the included parts list upon receipt for the exact contents.

Q3: What is the recommended installation procedure for this gasket set?

Installation should be performed by a qualified diesel mechanic. We recommend following the official Cummins QST30 service manual for torque specifications and tightening sequences. Ensure all mating surfaces are clean, dry, and free of old gasket material. For the head gaskets, do not apply any additional sealant unless specified by the manual. After installation, perform a pressure test to verify there are no leaks before putting the engine under full load.

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